Winter Heritage Day at Walker Ranch Homestead — Learn about typical winter chores and indoor games. See a working demonstration in the blacksmith shop and smell food being prepared on the wood stove. Be prepared for cold, windy weather, and to walk in snow. Dogs are not permitted at the site; 1 p.m., Walker Ranch Homestead, 8999 Flagstaff Road, Boulder; free; 303-776-8848, bouldercountyopenspace.org.

Boulder Comedy Show — Boulder Comedy Show, established in 2013, is a weekly live standup comedy showcase featuring distinguished comedians from across the country, with credits such as Comedy Central, MTV, Vice, HBO, NBC and TruTv. The show runs every Sunday, with two shows at 7 p.m. and 9:15 p.m.; 6 p.m., Bohemian Biergarten, 2017 13th St., Boulder; $5; 720-767-2863, bouldercomedyshow.com.

Boulder Rights of Nature Film Series — "A Toad Story" is an entertaining and heartwarming documentary film about toads and how they changed a community for the better. As a new highway threatens the survival of a local toad species, two introverted toad enthusiasts from a small village in a deep ford in Norway become the unlikely heroes who rally the whole community to ensure the toads could cross the highway safely. Post-screening discussions are planned with Boyd Wright, native aquatic species biologist from Colorado Parks and Wildlife regarding boreal toad conservation and a local boreal toad reintroduction project; 5:30 p.m., Monday, Boulder Public Library, 1001 Arapahoe Ave., Boulder; free; 303-506-9789, facebook.com.

Nobel Lecture Series — Join a series of lectures on Nobel-Prize-winning authors from around the world. The January lecture will feature works by Kazuo Ishiguro, awarded the most recent Nobel Prize in Literature, in 2017, and will be presented by Jeremy Green, professor of English. Please note: authors will not be present at lectures in this series; 7 p.m., Monday, Boulder Book Store, 1107 Pearl St., Boulder; free; 303-447-2074, boulderbookstore.net/event/nobel-lecture-series-spring-2018.

Blue Grass Mondays — Every Monday night it's bluegrass pick and jam at 12Degree Brewery. If you can play, you're invited to join the group, or come on down and just enjoy the bluegrass music; 7:30 p.m., Monday, 12Degree Brewing, 820 Main St., Louisville; downtownlouisvilleco.com/events.